Lawn mower



FIG. 1 is a right side elevational view of a lawn mower, showing my newdesign;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a left front perspective view thereof.

The ornamental design for a lawn mower, as shown.